What sharks reveal about the state of the ocean

The ocean is essential for life’s survival on this planet, but it is under threat. The impact of climate change, pollution and overfishing is immense—yet largely hidden from sight. Click here to subscribe to The Economist on YouTube: https://econ.st/2xvTKdy Contributors in this film: Todd Steiner Turtle Island Restoration Network Dr. Kevin Weng Virginia Institute of Marine Science Randall Arauz Conservationist, Fins Attached Geiner Golfin Ranger, Cocos Island National Park Dr. Greg Stone Oceanographer Dr. Richard Unsworth Swansea University and Project Seagrass For more from Economist Films visit: http://films.economist.com/ Check out The Economist’s full video catalogue: http://econ.st/20IehQk Like The Economist on Facebook: https://www.facebook.com/TheEconomist/ Follow The Economist on Twitter: https://twitter.com/theeconomist Follow us on Instagram: https://www.instagram.com/theeconomist/ Follow us on Medium: https://medium.com/@the_economist